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UC1525AJ

Regulating Pulse Width Modulators

Partnumber Manufacturer Quantity Availability
UC1525AJ 1 In Stock

Description and Introduction

Regulating Pulse Width Modulators The UC1525AJ is a pulse width modulation (PWM) controller IC manufactured by Texas Instruments. Below are its key specifications, descriptions, and features:

### **Specifications:**  
- **Input Voltage Range:** 8V to 35V  
- **Operating Frequency Range:** 100Hz to 500kHz  
- **Output Current (Source/Sink):** 100mA (per channel)  
- **Duty Cycle Range:** 0% to 100%  
- **Reference Voltage:** 5.1V (±1%)  
- **Error Amplifier Gain Bandwidth:** 3MHz  
- **Soft-Start Capability:** Yes  
- **Undervoltage Lockout (UVLO):** Yes  
- **Package Type:** 16-pin DIP (Dual In-line Package)  
- **Operating Temperature Range:** -25°C to +85°C  

### **Descriptions:**  
The UC1525AJ is a high-performance PWM controller designed for switch-mode power supply applications. It provides precise control over power conversion circuits, including push-pull, half-bridge, and full-bridge configurations. The IC integrates an error amplifier, oscillator, PWM comparator, and output drivers, making it suitable for DC-DC converters and inverters.

### **Features:**  
- **Adjustable Dead-Time Control:** Prevents shoot-through in half-bridge and full-bridge topologies.  
- **Synchronizable Oscillator:** Allows synchronization with external clock signals.  
- **Soft-Start Function:** Reduces inrush current during startup.  
- **Undervoltage Lockout (UVLO):** Ensures proper operation only when the supply voltage is sufficient.  
- **Dual Output Drivers:** Supports totem-pole or parallel configurations.  
- **Precision Reference Voltage:** 5.1V (±1%) for stable feedback control.  
- **Error Amplifier with High Gain Bandwidth:** Enables fast transient response.  

This information is based solely on the manufacturer's datasheet and technical documentation.

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